Measuring Instruments - Catalogue 2020 - MMM tech support
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Measuring Instruments Catalogue 2020 Prices valid after January 15th 2020 All prices of earlier catalogues are no longer valid EN
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Exclusive distribution in Central Europe
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© 2020 MMM tech support GmbH & Co. KG
Registered office & adress: Weigandufer 18, 12059 Berlin, GERMANY Phone +49 (0)30 627 368 66
Personally liable partner: Mosler Verwaltungs GmbH Fax +49 (0)30 627 368 67
Managing director: Dr. Christoph Mosler-Teichmann eMail: info@mmm-tech.de
Register court: Amtsgericht Charlottenburg, HRA 47522 B // HRB 145663 B web: www. mmm-tech.de
Catalogue 2020 Contents Page Basics - Irrigation Scheduling 4 Tensiometer 6 T1 standard T2 heavy duty Tx fast and robust TXSU substrate TX- E loggable T2 digital IR Irrometer® IR-P portable IR-MLT mini IR-LT substrate IR-E loggable Spare Parts IR Watermark 10 WM Sensor, as profile probe, WM-S-6-VA Volt Adapter for 6 sensors WM-HH handmeter WM-M data logger M-DS Datashuttle Automation 12 Irrigation controller Node X-Core I-Core Electro valves PGV/ 9V DC24 V AC Switching units TXS IRS IRS-LT substrates WS Water Switch WEM Watermark Electronic Module Volumetry TDR / FDR 15 TDR150 TDR 350 FDR sensors: EC-5 substrate HS-10 soil MAS-1 OEM Teros 12 SM-100 SMEC-300 EC-HH-Pro handmeter SM-HH handheld PI54-A Scholander Chamber 18 PMS manual M 600 M 615 < 40 bar M 1000 < 70 bar M1505D digital M1515D < 100 bar M1505D-EXP (+ Cavitation Chamber) Dendrometer 21 DD-S shoot and stem DF fruit DC-2 stem DL-18 data logger Measurement of Light and Radiation 22 LS-PAR LS-UV LS-All hand meter for sensors Sensors: UV, Global, PAR - LS-DLI (Daily Light Integral) Mini data logger 23 LOG-T cold chain monitoring Watch Dog: WD-RT Precipitation and temperature via SigFox WDs WatchDog Software WD data logger Watch Dog preconfigured - Base unit, sensors Now_SMS warning system 25 Preconfigured: NOS-Frost NOS-VT for early potatoes NOS-KLT Air C° NOS-Rain NOS-H2O irrigation // Modular: NOS-GG base unit NOS-sensors : BT soil C° DB watering time HS-10 Vol%/m3 LT air C° NTTT Frost RG precipitation RHLT air C°, rel. humidity, TXS switch tensiometer VT C° under fleece - WMS hPa soil iMetos - weather station with alert function and more 29 PPM Pessl Prognosis Models iMeteo site specific weather forecast iMetos Hardware: iMetos ECO D3 iMetos3 Radio Node CropView picture transmission Suction Lysimeter 32 Lys Option Luer connection IR-Lys Option low tension ceramic tip Spare Parts and Accessories Nutrient Analysis 33 Quick tests Nitrachek RQFlex LA pocket meters : LA-Salt complete case: LA-6Set complete case for NO3, K, Ca, Na, pH, EC), LA-7Set for (NO3, K, Ca, Na, pH, EC & NaCl) NIT-K2 Case ML-1900 mobile Mini-Lab BSSPRES Press for Petioles DSP Adjustable Dosing Pipettes pH Measurement 36 Quick test pocket meters:PH-TM2 Laqua pH BodenStik PH712 / PH 922 dry storage hand meters: PH-MM1 Laqua PH210 & 220 accessories: PH-KL Standards PHP instant powder for colored pH-standards EC Measurement 38 Pocket meters: EC-TM1 EC-TM2 (+TDS, C°) Laqua EC Hand meters: FSEC in liquids and soil EC-MM1 Laqua EC210 & EC220 Combi pH & EC 40 PC5 pocket meter Handmeters: PH-EC-MM1 Laqua PC210 & PC220 Accessories 41 MiniMax C° WM-HT soil C° WG Cable Protection Hose IR-FL Colorant for Tensiometers BS-100 Soil Probe AG-BS-70 Penetrometer installation tools: soil sampler IW-60, PKH VSH Simplex sledge hammer Installation of Sensors 43 Order form / gtc 47
Basics - Irrigation Scheduling
General
The exact scheduling of irrigation is very important because:
• Both, too high and too small water applications result in negative effects on yield, plant health and environment.
• Nutrient availability and uptake are influenced strongly by soil moisture conditions.
• Each irrigation event is causing cost.
Benefits of exact irrigation scheduling are therefore Example: yield-effect of soil water potential in raspberries
• increased yield
• improved quality
• savings in money and natural resources.
Necessary for appropriate irrigation scheduling are:
• exact determination of irrigation frequency
• exact determination of irrigation water amount
To collect this information, various approaches are common. Fol-
lowing some background information, these approaches will be
discussed briefly.
Soil and Soilwater
Soil consists of soil particles (mineral or organic) and the soil pores, which are either filled with water or air. Depending on the
average size of soil particles (soil type), structure, compaction and organic matter content, total pore volume greatly varies
from soil to soil. Total pore volume is key factor for water storage capacity of any soil.
The narrower the diameter of water filled pores, the stronger the force with which water is bound by soil, and plants have to
apply more energy to extract it. This force is called soil water potential or soil water suction.
The term fieldcapacity refers to the amount of water a soil can hold back against gravity (the soil water content at a soil water potential of approx. 60
hPa or pF 1,8). Plant usable fieldcapacity is the amount of water, bound in soil with a soil water potential between 60 (pF 1,8) and 15 000 hPa (pF
4,2), i.e. Plant usable field capacity equals field capacity minus the water, which is bound so strongly in soil, that it can not be taken up by plants any
more. (non plant available water).
Due to above described circumstances the amount of plant available soil water is varying strongly between soils. Example: Plant available water of a
typical sand ranges between approx. 5 and 15% absolute water content, while plant available water of a typical clay soil ranges between approx. 30
and 50% water content.
Irrigation scheduling Approaches
A - Measurement of Soil Water Potential
This approach measures the soil water potential as indicator of water availability for plant uptake in soils. Measuring soil water potential provides in-
formation on the force with which water is bound by soil (= energy plants have to apply to extract it), but it gives no information on the amount of water
contained in this soil. Common measurement units for soil water potential are hPa (1 hPa = 1 mbar) and kPa (1 kPa= 1 Centibar = 10 hPa / mbar).
Measuring soil water potential is the classical approach of irrigation scheduling. It is possible to transfer values of soil water potential from soil type to
soil type, i.e. it is of minor importance in which soil a measurement is taken. For example a measured soil water potential of 150 hPa results in the same
information weather this measurement has been taken in a sand or in a clay soil. Clearly defined optimum ranges do exist for all major crops, and crop
development stages, which are valid for all soil types. For best results three measurement sites, each in two depth are recommended per irrigation unit.
4 Phone +49 (0)30 627 368 66 Fax +49 (0)30 627 368 67
Basics
Tensiometer and Watermark Sensor are instruments to measure soil water potential. Tensiometers yield very accurate results in the moist end of the
range (0 to approx. 800 hPa), and are successfully used in almost all growing systems and crops, grown in mineral soil and substrates. Tensiometers
show best results in drip irrigation systems.
Good irrigation scheduling results in optimal
moisture conditions and nutrient availability in
the whole main root-zone, without losses due
to deep percolation.
Pictures: blue: - too wet; green - optimal moisture; orange / red - too dry
B - Measurement of Volumetric Soil Water Content
This approach uses instruments to measure the volumetric water content of soil. It yields information on the total water content, including the not plant
available part of it in a given unit of soil. This approach provides no information on the energy which is necessary to extract water from this soil. Common
units in volumetric measurement are mm, Vol. % or liter of water per liter or m³ of soil.
Volumetric measurement values can not be transferred between different soil types. Example: The measurement result of 30% water content would
mean for a sand saturation (soil water potential approx. 10 hPa or pF 1,0), while a silty soil would show a soil water potential of approx. 300 hPa or pF
2,5. A clay soil at 30% water content would be close to the permanent wilting point (soil water potential approx. 15000 hPa or pF 4,2).
TDR Fieldscout and FDR ECH2O Sensor are instruments to measure the volumetric soil water content. Volumetric probes and measurement instru-
ments are the ideal tool to answer the question how much water to apply per gift.
- Measurement of Leaf- and Stem Water Potential
C
This approach measures directly the leaf- or stem water potential, the tension of the xylem water in
a plant, with a Scholander pressure chamber. It provides direct information on the water status of a
plant, and thus on water availability in the whole rooted zone of this plant. Common measurement
units are MPa and bar. (1 MPa = 10 bar).
Values from measurements with a Scholander chamber can be transferred between sites. Clearly
defined optimum ranges do exist mainly for trees and vines. The measuring process itself however
is labour intensive and can not be automated. Scholander chambers are most commonly used in
grape production and research.
1. Xylem water column in a plant is always under tension
2. When cut, water column retreats into leaf
D - Climatic Water Balance
The climatic water balance (also Geisenheimer Methode) is an indirect approach. Based on environmental data, the potential evapotranspiration (=
transpiration of plants + evaporation from soil) is calculated for a specific area and time period (most common formula: Penman-Monteith). In a se-
cond step, this value is corrected with an empirical factor Kc (Kc determined by crop and development stage) to the actual evapotranspiration. Finally
eventual rainfall is subtracted.
The climatic water balance yields information on the water loss in mm over a given period of time. The calculation must be performed for every individual
field and crop. For most crops and crop development stages various Kc correction factors do exist. Some of the iMetos automatic weather station
models offer an automated climatic water balance.
Example:
©
Copyright Text and Pictures: Dr. C. Tino Mosler
web www.mmm-tech.de eMail info@mmm-tech.de 5
Tensiometer *all prices ex Berlin, excl. VAT (if applicable) & transport
General
Tensiometers are ideal for irrigation scheduling of drip irrigation systems, and are field approved since many decades.
Advantages A tensiometer offers many advantages for irrigation scheduling: • Easy interpretation of values
• Low cost • Result is valid for all soil types
• Very accurate measurement value, even at low soil water potentials • Result not influenced by EC value of soil solution
Typical Applications
strawberry and softfruit, vegetables, asparagus, hops and fruit trees in open field, tunnels and glasshouses. tree- and gra-
pe-nurseries, scientific applications
T1 Standard
ideal for protected cultivation
Manometer with self-explanatory colour coding for fast and easy interpretation of
measurement value also by unskilled labour. The silicone seal guarantees an air- Technical Data
tight connection and enables easy re-filling in field. Unit mbar (= hPa)
Range 0 - 600 mbar /hPa soil water potential.
Manometer accuracy class 1,6 (±1,6 % max.)
T1- read from side Seal always airtight silicone seal
Art. No. Article *Price EUR Shaft OD 16 mm, ID 12 mm, Wall 2 mm
T1-v-20 T1 20 cm shaft length 31,20 Ceramic tip 5 cm
T1-v-30 T1 30 cm shaft length 32,25
T1-v-50 T1 50 cm shaft length 33,30 Spare Parts
T1-v-60 T1 60 cm shaft length 34,30 Art. No. Article *Price EUR
Video T1-BO-20 T1 shaft 20 cm 13,50
T1-v-90 T1 90 cm shaft length 36,40
T1-BO-30 T1 shaft 30 cm 14,60
Typical Applications T1 - read from top T1-BO-50 T1 shaft 50 cm 15,60
Strawberry Art. No. Article *Price EUR T1-BO-60 T1 shaft 60 cm 16,60
Softfruit T1-q-20 T1 20 cm shaft length 33,30 T1-BO-90 T1 shaft 90 cm 18,70
Vegetables T1-q-30 T1 30 cm shaft length 34,30 T1-M-v Manometer read from side 22,90
Asparagus in tunnels
T1-q-50 T1 50 cm shaft length 35,40 T1-M-q Manometer read from top 25,00
glasshouses
T1-q-60 T1 60 cm shaft length 36,40 T-MCAP-v protection cap T1-v, T2-v, TX 4,10
also in open fields
T1-q-90 T1 90 cm shaft length 39,50 T-MCAP-q protection cap T1-q, T2-q 4,10
T2 Heavy Duty
ideal for open fields
Easy maintenance due to heavy duty shaft with high water volume and always airtight silicone cap. Manometer with self-explanatory colour coding
for fast and easy interpretation is protected by a cap against moisture and shocks.
Typical Applications in tunnels Technical Data
Strawberry glasshouses Unit mbar (= hPa)
Softfruit tree- and grape nurseries Range 0 - 600 mbar /hPa soil water potential
Vegetables hops Manometer accuracy class 1,6 (±1,6 % max.)
Asparagus in open fields fruit trees Seal always airtight silicone cap
Shaft OD 22 mm, ID 16 mm, Wall 3 mm
T2 read from side Ceramic tip 5 cm
Art. No. Article *Price EUR
T2-v-20 T2 20 cm shaft length 43,70
T2-v-30 T2 30 cm shaft length 44,70 Spare Parts
T2-v-50 T2 50 cm shaft length 45,80 Art. No. Article *Price EUR
Video T2-v-60 T2 60 cm shaft length 46,80 T2-BO-20 T2 shaft 20 cm 22,90
T2-v-90 T2 90 cm shaft length 48,90 T2-BO-30 T2 shaft 30 cm 23,90
T2 read from top T2-BO-50 T2 shaft 50 cm 25,00
Art. No. Article *Price EUR T2-BO-60 T2 shaft 60 cm 26,00
T2-q-20 T2 20 cm shaft length 43,70 T2-BO-90 T2 shaft 90 cm 28,10
T2-q-30 T2 30 cm shaft length 44,70 T2-M-v Manometer read from side 26,00
T2-q-50 T2 50 cm shaft length 45,80 T2-M-q Manometer read from top 28,10
T2-q-60 T2 60 cm shaft length 46,80 T-MCAP-v protection cap T1-v, T2-v, TX 4,10
T2-q-90 T2 90 cm shaft length 48,90 T-MCAP-q protection cap T1-q, T2-q 4,10
Tx fast and robust
High class Tensiometer
Tensiometer TX is an innovative, almost maintenance free Tensiometer with unmatched fast reaction to changing soli water potentials. The
Manometer is read from top, has a self-explanatory color coding is protected from water and external shock. Two versions available: TX6
with the measurement range 0-600 hPa and TX10 with the measurement range 0-1000 hPa.
Typical Applications
TX6: Drip Irrigation systems, Strawberries, Softfruit, Vegetables, in Tunnels and Glas-houses also in Substrates
Technical Data
Unit mbar (= hPa) Tx6 - 0-600 hPa
Range TX6: 0-600 hPa Art. No. Article *Price EUR
TX10: 0-1000 hPa Soil water potential. TX6-20 TX6 - 20 cm shaft length 56,10
Manometer accuracy class 1,6 (±1,6 % max.) TX6-30 TX6 - 30 cm shaft length 57,20
Seal Thread Cap TX6-50 TX6 - 50 cm shaft length 58,20
Shaft OD 22mm, ID 16mm, Wall 3mm TX6-60 TX6 - 60 cm shaft length 59,30
Ceramic tip 5 cm TX6-90 TX6 - 90 cm shaft length 62,40
6 Phone +49 (0)30 627 368 66 Fax +49 (0)30 627 368 67
Tensiometer
Spare Parts Tx10 - 0-1000 hPa
Art. No. Article *Price EUR Art. No. Article *Price EUR
TX-SP Service pump for TX 7,50 TX10-20 TX10 - 20 cm shaft length 56,10
TX-BO-20 TX shaft 20 cm 36,40 TX10-30 TX10 - 30 cm shaft length 57,20
TX-BO-30 TX shaft 30 cm 37,40 TX10-50 TX10 - 50 cm shaft length 58,20
TX-BO-50 TX shaft 50 cm 38,50 TX10-60 TX10 - 60 cm shaft length 59,30
TX-BO-60 TX shaft 60 cm 39,50 TX10-90 TX10 - 90 cm shaft length 62,40
TX-BO-90 TX shaft 90 cm 41,60
Typical Applications
TX6-M Manometer 0-600 hPa 26,00 TX10: Overhead Irrigation and Drip Systems:
TX10-M Manometer 0-1000 hPa 26,00 Asparagus, Potatoes, Fruittrees, Tree and Grape
TX-CAP thread cap with o-ring 1,95 Nurseries, Hops
T-MCAP-v protection cap T1-v, T2-v, TX 4,10
TX10-MCAP TX10 Gauge protection cap 4,10
TXSU
Tensiometer for Substrates
The TXSU is an adjustable, extra sensitive, high resolution Tensiometer, which has been developed specifically for the use in Substrate
culture. The measurement range is between 0 and 250 hPa water potential, the Manometer shows MMM’s well approved self-explanatory
color coding which has been specifically adapted to Substrates. Standard measurement depths (shaft length) are 15 and 20cm (other length
available on request). The specialty of the TX Substrate Tensiometer is the front side zero correction of its gauge, eliminating issues with
damaged manometers.
Technical Data Accuracy Class 1,6 (±1,6 % max.)
Unit mbar (=hPa) Seal Thread Cap
Range 0 – 250 hPa Shaft OD 22 mm, ID 16 mm, wall 3 mm
Manometer Capsule gauge with zero correction (front) Ceramic tip. 5 cm
Art. No. Article *Price EUR
TXSU-15 Substrate tensiometer 15 cm 95,00 Typical Applications
TXSU-20 Substrate tensiometer 20 cm 95,50 All Crops grown in Substrates, Pots, Growbags,
Spare Parts Substrate troughs
TXSU-M TXSU capsule gauge 0-250 hPa 63,00
TX-E
Tensiometer with linear Voltage Signal
TX-E is an electronic TX Tensiometer for data-logging, offering a linear Voltage Signal . Therefore TX-E can be used with
every Data logger, which can read a Voltage Signal.
Technical Data
Unit mbar (=hPa) Signal: ratiometric, 10 to 90% of supply voltage
Measurement: Relative Pressure (low pressure against Power: 2,7 to 5,0 VDC
atmosphere) Cable: 3m
Range 0 – 1000 hPa Seal Thread Cap
Accuracy ±0,5 % over full range Shaft OD 22 mm, ID 16 mm, wall 3 mm
Resolution: 1 hPa / mbar Ceramic tip. 5 cm
TX-E with analogue gauge
Art. No. Article *Price EUR
TX-EM-20 20 cm length, with manometer 176,00 TX-E without analogue gauge
TX-EM-30 30 cm length, with manometer 177,00 Art. No. Article *Price EUR
TX-EM-50 50 cm length, with manometer 178,00 TX-E-20 20 cm length, w/o manometer 155,00
Typical Applications
TX-EM-60 60 cm length, with manometer 179,00 TX-E-30 30 cm length, w/o manometer 156,00
Datalogging in Fruit, Vegetables,
TX-EM-90 90 cm length, with manometer 181,00 TX-E-50 50 cm length, w/o manometer 157,00 Ornamental Plants, Potatoes
Spare Parts TX-E-60 60 cm length, w/o manometer 158,00 and other Crops
TX-ESR ratiometric transducer 0-5 V 125,00 TX-E-90 90 cm length, w/o manometer 160,00
T2 Digital - Robust Solution with Digital Readout
Tensiometer with digital manometer. Press button to activate display. Read from top.
Button press 1x displays measurement value (3-digit number), press 2x change measurement unit, press 3x displays battery status.
Auto-off after 10 seconds of inactivity.
Technical Data Typical Applications in tunnels
Unit mbar (=hPa) / kPa (=centibar) / psi Strawberry in glasshouses
Range 0 - 750 mbar in 1 mbar steps Softfruit tree- and grape nurseries
Accuracy 10 mbar /hPa. Vegetables hops
Temperature compensation 0 - 40 °C, working temperature 5 to 50 °C Asparagus in open fields fruit trees
Battery Lithium 3V CR 2032, Lifetime min. 30.000 Cycles
Safety CE approved, IP 55
T2 Digital read from top Spare parts
Art. No. Article *Price EUR Art. No. Article *Price EUR
T-BL Blumat digital 18 cm shaft length 31,20 T2D-BO-20 T2 digital, shaft 20 cm 25,00
T2D-20 T2 digital 20 cm shaft length 54,10 T2D-BO-30 T2 digital, shaft 30 cm 26,00
T2D-30 T2 digital 30 cm shaft length 55,10 T2D-BO-50 T2 digital, shaft 50 cm 27,00
T2D-50 T2 digital 50 cm shaft length 56,10 T2D-BO-60 T2 digital, shaft 60 cm 28,00
T2D-60 T2 digital 60 cm shaft length 57,20 T2D-BO-90 T2 digital, shaft 90 cm 30,10
T2D-90 T2 digital 90 cm shaft length 59,30 T2-M-d T2 digital manometer 30,20
web www.mmm-tech.de eMail info@mmm-tech.de 7
Tensiometer
Irrometer®
IR Irrometer® - new Generation
Tensiometer of highest Standards
Tensiometers manufactured by Irrometer® meet highest expectations and have been continously optimized for more than 50 years.
The Irrometer Tensiometers of the new generation are equipped with a new waterproof stainless steel manometer with improved pressure compensation,
and read conveniently from top. The shaft offers an integrated water reservoir for easy replacement of lost water in field. The ceramic tip is exchangeable.
The Tensiometer is filled air-free with water, and reacts extra fast to changes in soil water potential.
Recommended accessory: Irrometer Service Pump
Typical Applications Technical Data
Strawberry Unit Centibar (= kPa)
Softfruit Range 0 to 100 Centibar / kPa soil water potential
Vegetables Seal Threaded cap with reservoir
Video Asparagus in open fields Shaft OD 22 mm, ID 12 mm, wall 5 mm
in tunnels Ceramic tip 7 cm
in glasshouses
hops
Art. No. Article *Price EUR
fruit trees
IR-15 Irrometer 15 cm shaft length 94,00
tree- and grape nurseries
IR-30 Irrometer 30 cm shaft length 97,00
IR-45 Irrometer 45 cm shaft length 101,00
IR-60 Irrometer 60 cm shaft length 104,00
IR-90 Irrometer 90 cm shaft length 109,00
IR-P Irrometer®
mobile tensiometer for maximal flexibility
Unlike other models by Irrometer which are intended for permanent installation, the Model “P” is designed to be installed in a temporary situation so that
the user can make a “spot check” of soil water tension and then relocate the instrument to other locations. A reading takes under normal conditions only 5
minutes approximately. Apart from this, model LT shows identical advantages like the standard model, and is made to meet highest standards.
Typical Applications Technical Data
Consultants, Measurement at numerous different locations Unit Centibar (= kPa)
Range 0 to 100 Centibar / kPa soil water potential
Seal Threaded cap with reservoir
Shaft OD 22 mm, ID 12 mm, wall 5 mm
Ceramic tip 7 cm
Video
Art. No. Article *Price EUR
IR-P-30 Set mobile Irrometer 30 cm measurement depth, service pump, soil auger 339,00
IR-P-30 mobile Irrometer 30 cm measurement depth, no accessories 199,00
IR-P-EXT extension tube for Modell P for measurements in 60cm depth 45,00
IR-MLT - Miniature Tensiometer
Optimal for Substratrinnen & Growbags
Irrometer Tensiometer Modell MLT are built with a special „Low Tension“ Ceramic, which is especially sensitive and fast reacting under low tension condi-
tions. Further the instrument has a Manometer with fine resolution (0 to 40 kPa). The Tensiometer offers minimal dimensions and is light-weight therefore it
is optimal for measuring in small pots and growbags.
Typical Applications Technical Data
Substrates Unit Centibar (= kPa)
Growbags and Pots Range 0 to 40 Centibar / kPa soil water potential
Shaft Length / measurement depth 12cm, OD 10 mm
Video Ceramic tip length 3,5 cm, reacts sensitive and fast under low tension
conditions
Art. No. Article *Price EUR
IR-MLT Mini tensiometer12 cm 76,00
Spare Parts
IR-MLT-BO MLT shaft 26,00
IR-MLT-M MLT manometer 0 to 40 kPa 48,00
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Tensiometer
IR-LT Irrometer®
tensiometer for substrates and low tension measurements
Irrometer Tensiometers Model LT feature a special „Low Tension“ Ceramic tip and a high resolution Manometer. Due to the ceramic, which is reacting extra
sensible also under low soil water tension, is this model especially suitable for Substrates. Apart from this, model LT shows identical advantages like the
standard model, and is made to meet highest standards.
Recommended accessory: Irrometer Service Pump
Technical Data
Unit Centibar (= kPa) Typical Applications
Range 0 to 40 Centibar / kPa soil water potential Strawberry, Softfruit, Vegetables, Asparagus in open fields,
Seal Threaded cap with reservoir in tunnels, in glasshouses. fruit trees, hops, tree- and grape
Shaft OD 22 mm, ID 12 mm, wall 5 mm nurseries
Ceramic tip Low Tension - 7 cm
Art. No. Article *Price EUR
IR-LT-15 Irrometer Tensiometer, low tension 15 cm shaft length 102,00
IR-LT-30 Irrometer Tensiometer, low tension 30 cm shaft length 105,00
Spare parts - other parts please see below
IR-LT-KS ceramic tip low tension 20,00
IR-LT-M manometer 0 to 40 kPa 50,00
IR-E Irrometer®
with linear Voltage-Signal
All Irrometer models (standard, LT and MLT) are now available with an electronic pressure-transducer instead of the analogue
manometer. Every IR-E Tensiometer model can be logged with a Watermark Monitor Datalogger with extension board.
Technical Data
Unit Centibar (=kPa) Signal: 0,5 to 4,5 VDC,
Measurement low pressure against atmosphere linear (0,5 V = 0 kPa; 4,5 V = 94 kPa)
Range 0 – 94 kPa Supply Voltage 5 VDC
Resolution 1 kPa Cable: 90cm
Art. No. Article *Price EUR
IR-E-15 Irrometer with E-pressure transducer, 15cm 155,00
IR-E-30 Irrometer with E-pressure transducer, 30cm 158,00
IR-E-45 Irrometer with E-pressure transducer, 45cm 161,00
IR-E-60 Irrometer with E-pressure transducer, 60cm 164,00
IR-E-90 Irrometer with E-pressure transducer, 90cm 169,00
IR-E-LT-15 Irrometer LT with E-pressure transducer, 15cm 169,00
IR-E-LT-30 Irrometer LT with E-pressure transducer, 30cm 172,00
IR-E-MLT Mini Irrometer with E-pressure transducer, 12cm 130,00
M0-T Watermark Monitor Datalogger* with extension board for IR-E 699,00
IR-RSU-V Irrometer E-Sensor / pressure-transducer for IR-E, IR-E-LT 105,00
IR-E-CAB Cable extension for IR-E, IR-E-LT Tensiometer, per meter 3,20
* Description of Monitor Datalogger please refer to Chapter Watermark
Spare Parts & Accessories - for ALL tensiometer models of Irrometer®
IR-SP / -TP
a supplement for each tensiometer of Irrometer
Art. No. Article *Price EUR
Irrometer Service pump, respectively Service & Test pump, is a highly
IR-SP Service Pump without manometer 68,00 recommended accesory.
If the Tensiometer is filled air-free with water for use, it reacts to changes
IR-TP Service & Test Pump WITH manometer 99,00
in soil water potential extra fast.
Spare Parts
Art. No. Article *Price EUR Art. No. Article *Price EUR
IR-BO-15 Irrometer shaft 15 cm 61,00 IR-CAP threaded cap with stopper 11,00
IR-BO-30 Irrometer shaft 30 cm 64,00 IR-STOP stopper for cap, 10 pcs.. 13,00
IR-BO-45 Irrometer shaft 45 cm 67,00 IR-ORING O-Rings for Irrometer, 10 pcs.. 7,00
IR-BO-60 Irrometer shaft 60 cm 71,00 IR-KS Irrometer ceramic tip 14,50
IR-BO-90 Irrometer shaft 90 cm 76,00 IR-M Irrometer manometer 37,86
web www.mmm-tech.de eMail info@mmm-tech.de 9
Watermark *all prices ex Berlin, excl. VAT (if applicable) & transport
General
The use of Watermark Granular Matrix Sensors is specifically recommended for situations with longer time lags between water applications, i.e. in
situations with higher fluctuation of soil moisture, for example in cases like irrigation by irrigation machines or in crops which need some degree of dry
stress or which are generally cultivated at the drier end. Besides the read-out equipment by Irrometer, Watermark Sensors also can be easily incorpo-
rated in complex data collection systems. For details please see chapters Now-SMS and iMetos.
Advantages
Watermark Sensors measure soil water potential between 0 and 200 Centibar (0-200 kPa), are maintenance free and frost proof, and are buffered
against varying salt content (EC value) in soil solution. Interpretation of data is easy, since measurement result is valid for all soil types. Watermark
Sensors are durable and low cost, offer an accurate measurement result and have been field approved since decades.
Working Principle
Watermark Sensors consist of two electrodes, which are embedded in a special granular matrix. The sensors are protected by a stainless steel cover.
Surrounding soil and the granular matrix inside a Watermark Sensor come to an equilibrium of soil water potential. The granular matrix has a varying
resistance to electrical power (AC), depending on it’s moisture content. This resistance is converted by the readout meter into soil water potential (unit
Centibar).
Watermark Sensor - by Irrometer®
the maintenance free sensor
The Watermark Sensor is a robust, user-friendly sensor, maintenance free, frost proof and buffered against varying salt
contents of soil solution. The cable can be spliced up to a total length of 100m.
However its reaction time to soil moisture variations is somewhat slower than tensiometer or volumetric sensors. Interpreta-
tion of data is easy, since measurement result is given in Centibar (soil water potential), valid for all soil types.
Technical Data Typical Applications sugar beet
Unit Centibar / kPa vegetables arable agriculture
Range 0-200 Centibar soil water potential asparagus seed production
Video Temp. compensation by read-out devices softfruit golf-
vineyards garden- and landscape
tree crops irrigation
hops glasshouses.
Art. No. Article *Price EUR potatoes
WM-S-0 Watermark Sensor , 5 cm cable 44,50
WM-S-15 Watermark Sensor, 1,5 m cable 46,00
WM-S-30 Watermark Sensor, 3 m cable 47,55
WM-S-45 Watermark Sensor, 4,5 m cable 49,10 Accessory PVC tube for Watermark Sensors
WM-S-60 Watermark Sensor, 6 m cable 50,70 WMHR-60 Tube for WM-S, length 60cm 3,30
WM-S-100 Watermark Sensor, 10 m cable 54,25 WMHR-XX Tube...per 10cm of length 0,55
...as Profile Probe - for multiple depths
Watermark Sensors are now also available as profile probe tor measuring multiple soil layers at only one spot, thus enabling
the monitoring of soil water potential over a complete soil profile.
Technical Data and Typical Applications please refer to Watermark Sensor above
Art. No. Article *Price EUR
WM-3S 3 Watermarks as profile probe, Measurement 15-30-60cm, 3m Cable 195,00
WM-4S 4 Watermarks as profile probe, Measurement 15-30-60-90cm, 3m Cable 245,00
Hint: Installation tools for watermark sensors please see chapter Accessories
Watermark Sensor voltage adapter- by Irrometer®
ideal for OEM applications
Watermark-Voltage adapters are available in a version for one sensor and also for six sensors. The adapter converts the
Logger 12V DC signal of Watermark Sensors into a linear Voltage signal (0 – 3 V), allowing Watermark sensors to be integrated in automation
and data logger systems from many other manufacturers very easily.
Technical Data WM-S-VA WM-S-6-VA Typical Applications
Sensor slots 1 WM-S + 1 WM-BT 6 WM-S + 1 WM-BT Use of Watermark Sensors with Da-
Unit Centibar / kPa Centibar / kPa taloggers and Irrigation controllers of
Range 0-239 kPa 0-239 kPa non-Irrometer brand.
Signal: 0 – 3 Volt linear 0 – 3 Volt linear
Temp. compensation automatic, if soil temperature sensor available
Supply Voltage 3,3 - 30 VDC (1,5 mA) 12 VDC (10 mA)
Protection class IP67 none
Dimensions/Weight 3 x 3,5 x 2cm, 60g 14 x 8,3 x 4,2cm, 123g
Sensors not included in scope of delivery
Art. No. Article *Price EUR
WM-S-VA Watermark Volt Adapter for 1 sensor, 40 cm cable 59,50
WM-S-6-VA Watermark Volt Adapter for 6 sensors 249,00
Spare parts / Accessories
WM-BT Sensor for Soiltemp. for WM-S-VA, 4,5 m cable 48,00
WM-S Watermark Sensor - see above
10 Phone +49 (0)30 627 368 66 Fax +49 (0)30 627 368 67Watermark
Handmeter by Irrometer®
for Watermark Sensors
Robust solid state alternating current resistance bridge handheld meter to read any amount Typical Applications
of Watermark Sensors. extension services
Offers a splash proof key-pad operating panel and manually adjustable temperature com- risk of theft & vandalism
pensation for varying soil temperatures. Display in Centibar. vegetables
asparagus
Technical Data softfruit
Sensor connection Cable with clips allows readout of unlimited number of sensor vineyards
Temp. compensation automatic, according to user-set soil temperature tree crops
Display LCD, Centibar hops
Power battery 9 V potatoes
sugar beet
arable agriculture
seed production
golf-
garden- and landscape
Video
irrigation
Art. No. Article *Price EUR
WM-HH Handmeter to read any number of Watermark Sensors 285,00
Spare parts / Accessories
WM-HT Soil digital piercing thermometer to use with WM -HH 24,50
WM-HH-K replacement cable for handmeter 31,50
Watermark Monitor
Datalogger by Irrometer®
Watermark Monitor is a reliable, robust and easy to use datalogger. Can read up to 8 sen-
sors. Either soil moisture, temperature, Volt, 4-20 mA, Rainfall or switch closure sensors
(irrigation time) can be used.
The logger reads automatically Watermark Sensors at user-defined intervals and records
measurement data.
Includes WaterGraph software for operation and graphical display of readings. Typical Applications
vegetables
asparagus and softfruit
vineyards
tree crops
Technical Data hops
External Sensors 8 Channels potatoes,
Temp. compensation automatic, if soil temperature connected sugar beet
Display LCD - current sensor readings arable agriculture
Logging interval user adjustable between 1x per minute and 1x per day seed production
Power 9V battery, lifespan 6 month to 1 year research.
Internal memory 170 days @ logging interval 1 hour
Communication USB interface, cable included
Software German / English / Polish / Hungarian, Export of data to other soft-
ware (EXCEL) possible
Art. No. Article *Price EUR
Monitor incl. 7 Watermark sensors, 1 sensor for soiltemp., software,
WM-MK 929,00
serial cable
Ersatzteile und Zubehör
WM-M0 Monitor without sensors, software, serial cable 577,50
Sensor for soil temperature to use with Watermark Monitor datalogger,
WM-BT 48,00
4,5 m cable
WM-M-RG Raingauge for WM-Monitor, Resolution 0,2 mm 175,00
M-DS Datashuttle
New
The Monitor Datashuttle is a very easy to use device to read the stored data from up to 255 different
Watermark Monitor Dataloggers without a computer and transfer these data to the office.
By using the data shuttle, the use of a computer in the field is not necessary, the device is ideal for practi-
cal employees, who are only entrusted with the «collection» of recorded data, but not with their evaluation.
The device works with only one control button, almost nothing can be done wrong!
Scope of delivery: Datashuttle device, cable, bag, data card, USB reader for data card
Art. No. Article *Price EUR
M-DS Datashuttle device, bag, data card, USB reader for data card 319,00
web www.mmm-tech.de eMail info@mmm-tech.de 11Irrigation Automation
General
Time savings and simplified management are the central advantages of Irrigation automation. If an Irrigation controller or an electro-valve is equipped
with an automatic switch unit based on a sensor for soil or substrate, the crop is allways optimally irrigated but unnecessary and potentially costly water
applications are not taking place.
Depending on the availability or absence of electrical power on site and the type of soil moisture based switch unit the use of an irrigation controller is
optional or necessary. A professionally planned irrigation automation based on soil- or substrate moisture consists of the elements Soil moisture based
switch unit, electro valve and irrigation controller (in some situations not compulsory).
A - Mode of operation - with irrigation B - Mode of operation - direct control
controller with switch Tensiometer (24V AC only)
The irrigation controller is programmed on a time based schedule, for exaple irrigation The switch Tensiometer permanently controls the water availabilty in soil or substrate, and
4 times per day for 15 minutes. If a soil moisture based switch unit is present, the irriga- is wired to the electro valve. At a certain point of water availabilty or soil moisture potetianl,
tion controller checks every time before a water application is allowed the status of soil the switch point, an electrical contact is closed, and the electric valve is supplied with
moisture. In case the soil or substrate is still wet enough this individual irrigation event is power, and opens the water flow. As soon as the soil moisture potential is again below the
blocked, and does not take place. The system waits in this situation until the next water switch point, the valve closes again. A central advantage of this technique are low cost and
application is scheduled, when this routine is repeated. a straight foreward apporach.
Automation WITHOUT electric power on site
Without electric power on site, only electro valves with latching solenoid can be used, since this type can be operated by battery power. To operate a latching solenoid an irrigation controller
is compulsory, since it creates the electrical impulse, which opens and closes the valve. Many battery operated irrigation controllers are equipped with a sensor port for soil moisture based
automation.
Irrigation controller Electro valves
Node PGV / 9V DC
by Hunter by Hunter
Battery powered, waterproof, up to 12 irrigation start times Plastic, with 9V DC latching solenoid and flow regulation
per day, with Sensor port.
Art. No. Article *Price EUR
Node-100 Node for 1 station, 9V DC 161,00 Art. No. Article *Price EUR
Node-200 Node for 2 stations, 9V DC 213,00 PGV-101i electro valve & latch sol., 1‘‘ IG 59,00
Node-400 Node for 4 stations, 9V DC 251,00 PGV-151i electro valve & latch sol., 1½‘‘ IG 119,00
Node-600 Node for 6 stations, 9V DC 290,00 PGV-201i electro valve & latch sol., 2‘‘ IG 135,50
Switch units for Mode of Operatiion A without grid power: Switch units for Mode of Operatiion B without grid power:
all types of switch tensiometer, WS-B, WEM-B(9VDC) iMetos ICA controls electro valves with latching solenoid directly
Automation WITH electric power on site
In case electric power (220 V AC) on site is available (i.e. Greenhouse, many lawn & garden applications) an alternative to the use of an irrigation controller does exist, the direct control,
because standard electro valves with solenoid can be directly controlled by switch Tensiometers and Now_SMS units.
In any case the electric voltage is reduced by a transformer to safe 12 or 24 VAC.
Irrigation controller - Electro valves
X-Core PGV / 24V AC
by Hunter by Hunter
Up to 4 start times per day, with sensor port, pump start Plastic, with 24V AC solenoid and flow regulation
relais, integrated transformer, weather proof housing
Art. No. Article *Price EUR Art. No. Article *Price EUR
XC-401 X-Core for 4 stations, 24 VAC 168,00 PGV-101 electro valve & solenoid, 1‘‘ IG 29,00
XC-601 X-Core for 6 stations, 24 VAC 193,00 PGV-151 electro valve & solenoid, 1½‘‘IG 89,00
XC-801 X-Core for 8 stations, 24 VAC 232,00 PGV-201 electro valve & solenoid, 2‘‘ IG 105,00
TR24AC Trafo 220VA to 24V AC, 1000 mA 32,50
I-Core
by Hunter
Up to 8 start times per day, with sensor port, pump start re-
lais, integrated transformer, lockable weather proof housing.
Can be extended to up to 30 stations
Illustrations on this page by courtesy of
Art. No. Article *Price EUR
IC-601-PL I-Core for 6 stations, 24 VAC 612,00
ICM-600 Extension Module 6 stations 155,00
Switch units for Mode of Operatiion A with grid power: Switch units for Mode of Operatiion B with grid power:
all types of switch tensiometer, WS, WEM, WEM-DC-T. all types of switch tensiometer
Now_SMS with sensors for soil moisture; e.g. NOS-H2O please see chapter Now_SMS Now_SMS with sensors for soil moisture; e.g. NOS-H2O please see chapter Now_SMS
12 Phone +49 (0)30 627 368 66 Fax +49 (0)30 627 368 67*all prices ex Berlin, excl. VAT (if applicable) & transport Automation
Switch tensiometer
Switch tensiometers are used for control of electro-valves or whole irrigation controllers based on soil water potential, and
are used for irrigation automation. They be used for direct control of electro-valves (when grid power is available on site), or
can be used at the sensor port of any irrigation controller.
TXS
Automated Irrigation at low cost
TXS switch tensiometers are based on Tensiometer model TX and can be used with all types of systems, normally open
and normally closed, with AC or with DC power supply. Switching properties max: 2A/24 V. Incl. rubber protective cap IP 54.
Technical Data
Unit mbar (= hPa)
Range 0 to 600 mbar / hPa soil water potential
Manometer (optional) accuracy class 1,6 (± 1,6 % max.)
Seal Thread Cap
Shaft OD 22 mm, ID 16 mm, Wall 3 mm
Ceramic tip 5 cm
Lifespan up to 1 000 000 switch actions
Electric connection AMP-flat connectors 6,3 x 0,8 mm (DIN 46244)
Safety Switch-box CE-approved according to EG-Niederspannungs-Richtlinie 73/23/EWG
TXS-F - fixed switch point
Switch point is factory pre-set. Upper switch point 120 mbar /hPa, lower switch point 80 mbar / hPa. Maintains soil water
potential between 80 and 120 mbar / hPa.soil water potential.
without Manometer with Manometer
Art. No. Article *Price EUR Art. No. Article *Price EUR
TXS-F0-20 no manometer, 20 cm shaft 75,90 TXS-F1-20 with manometer, 20 cm shaft 95,70
TXS-F0-30 no manometer, 30 cm shaft 78,00 TXS-F1-30 with manometer, 30 cm shaft 97,80
TXS-E - adjustable switch point
Switch point is freely adjustable between 100 and 300 mbar / hPa. Upper switch point as set, lower switch point
always 30 mbar / hPa below the upper switch point.
without Manometer with Manometer Typical Applications
Art. No. Article *Price EUR Art. No. Article *Price EUR strawberry, softfruit, vegetables, asparagus, in tunnels,
TXS-E0-20 no manometer, 20 cm shaft 92,50 TXS-E1-20 with manometer, 20 cm shaft 92,50 glasshouses, open fields
TXS-E0-30 no manometer, 30 cm shaft 94,60 TXS-E1-30 with manometer, 30 cm shaft 94,60
Spare parts - TXS without Manometer Spare parts - TXS with Manometer Spare parts - Switchbox
Art. No. Article *Price EUR
Art. No. Article *Price EUR Art. No. Article *Price EUR
TX-BO-0-20 TXS shaft 20 cm 92,50 TX-BO-1-20 TXS shaft 20 cm 40,60 TXSB-F fixed (120 hPa) 41,60
TX-BO-0-30 TXS shaft 30 cm 94,60 TX-BO-1-30 TXS shaft 30cm 41,60 TXSB-E adjustable (100-300 hPa) 57,20
TX6-M TX manometer 0-600 hPa 26,00
IRS - Irrometer® switch tensiometer - new model: high end automated Irrigation
The new generation of Irrometer switch tensiometers are equipped with the new waterproof stainless steel manometer and
a vacuum switch, which closes the contact after the switching point. The tensiometers are delivered with a preset switching
point, a subsequent adjustment is possible with a screwdriver. Please indicate the desired switching point when ordering,
otherwise the switching point is set to 30 kPa as standard.
The shaft offers an integrated water reservoir for easy replacement of lost water in field. The ceramic tip is exchangeable.
The Tensiometer is filled with water air-free for use, and reacts to changes in soil water potential extra fast. Recommended
accessory: Irrometer Service Pump.
Technical Data
Unit Centibar (= kPa)
Range 0 to 100 Centibar /kPa soil water potential
Seal threaded cap with reservoir
Shaft OD 22 mm, ID 12 mm, Wall 5mm
Ceramic Tip 7 cm
Lifespan up to 1 000 000 Switch actions
Connection wire leads 24 VAC with max. 4A
Safety IP 67, CE, RoHS compliant
Art. No. Article *Price EUR
IR-S-15 Irrometer Switch tensiometer, length 15 cm 159,00
IR-S-30 Irrometer Switch tensiometer, length 30 cm 163,00
IR-S-45 Irrometer Switch tensiometer, length 45 cm 167,00
IR-S-60 Irrometer Switch tensiometer, length 60 cm 171,00
IR-S-90 Irrometer Switch tensiometer, length 90 cm 179,00 Spare parts - shafts, please see chapter Tensiometer
web www.mmm-tech.de eMail info@mmm-tech.de 13Automation
IRS-LT Irrometer® - Switch tensiometer for substrates and low tension
Irrometer switch ensiometers model LT feature a special „Low Tension“ Ceramic tip and a high resolution Manometer.
Technical Data
Range 0 to 40 Centibar / kPa soil water potential
Ceramic tip Low Tension - 7 cm
Video
Art. No. Article *Price EUR
IR-MLT-S Mini Irrometer switch tensiometer low tension AC, or rather DC, 12cm 145,00
IR- LT-S-15 Irrometer switch tensiometer low tension AC or rather DC, 15 cm 169,00
IR- LT-S-30 Irrometer switch tensiometer low tension AC or rather DC, 30 cm 173,00
Spare parts - other parts, please see chapter Tensiometer
Watermark Switch Units
maintenance free Irrigation Automation
Watermark Switch Units are designed to control irrigation controllers with sensor-port. Only if the soil is dryer than a threshold set by the user at the Watermark Switch Unit, an irrigation
event is taking place. Prevents unnecessary irrigation events, saves water and energy.
The Watermark Switch Units are available in two series: Water Switch and Watermark Electronic Modules. Water Switch offer economic irrigation control based on one Watermark Sensor
and are used in golf, lawn and garden applications, the Watermark Electronic Modules offer irrigation control based on the average reading of two Watermark Sensors, and are common
in more complex systems.
Water Switch
the economic solution
Both Water Switch Models are „Dry Contact Switch“ units, and are connected to the Sensor-port of an Irrigation controller.
The Waterswitch units check the soil moisture status independently every hour (WS) or every 5 minutes (WS-B) and switch
the sensor – port according to soil moisture. Waterswitch units can be used with both types of Irrigation controllers, normally
open and also normally closed contact models.
Typical Applications Technical Data
home garden Irrigation decision based on 1 Watermark Sensor
golf- and lawn irrigation Moisture thresholds 4 Steps (moist to dry)
landscaping
public greens
Art. No. Article *Price EUR
WS Water Switch, 24V AC, incl. 1 WM Sensor 150,00
WS-B Water Switch, 9V DC, incl. 1 WM Sensor 170,00
Watermark Electronic Module
the professional solution
Watermark Electronic Modules are available in three models. Models WEM-B and WEM-DC-T are „Dry Contact Switch“ units,
Typical Applications and are connected to the Sensor-port of an Irrigation controller. The models WEM-B and WEM-DC-T check the status of soil
trees and vines moisture independently every 5 minutes, and set the sensor – port according to soil moisture.
professional growing
The Watermark Electronic Module model WEM is a „Common Interrupt“ switch unit, and can switch a single valve or group of
golf- and lawn irrigation
valves on a dedicated common. The unit reads itself only when powered (start time) and switches according to moisture in re-
landscaping
lation to switch position. The Watermark Electronic Modules Type WEM and WEM-B can be used with both types of Irrigation
public greens
controllers, normally open and also normally closed contact models, while type WEM-DC-T needs a normally open contact.
Technical Data
Irrigation decision based on average of 2 Watermark Sensors
Moisture thresholds 9 / 11 Steps (10 to 90 / 110 Centibar soil water potential)
Art. No. Article *Price EUR
WEM Watermark Electronic Module, 24V AC, incl. 2 WM sensors 215,00
WEM-DC-T Watermark Electronic Module with Timer, 24V AC, incl. 2 WM sensors 215,00
WEM-B Watermark Electronic Module, 9V DC, incl. 2 WM sensors 215,00
14 Phone +49 (0)30 627 368 66 Fax +49 (0)30 627 368 67Volumetry - TDR / FDR *all prices ex Berlin, excl. VAT (if applicable) & transport
General
Volumetric Measuring Instruments determine the Water Content in Soils, and inform the user about the amount of water, which is presently contained
in soil. The shown amount of water in soil includes the non plant available part.
These Sensors are ideal to answer the question how much water needs to be applied, to fill the rooted soil-profile from the presently measured state
to a defined volumetric percentage of field capacity (for example to 90% field capacity).
Advantages
• information about the amount of water in soil
• very accurate technique
• immediate reaction on changing soil moistures
• maintenance free and frost proof sensors
TDR Fieldscout - highly accurate, fully mobile, integrated Datalogger
TDR Fieldscouts are fully mobile measuring instruments for soil water content, EC value and soil surface temperature. No permanent sensor installation
necessary, no valuable equipment remains in field. Multiple field points or a multitude of different fields can be measured. One measurement takes only
seconds: prick measurement rods fully in ground, push button to take the measurement, go to next measuring point!
Working Principle TDR
TDR (Time Domain Reflectometry) Sensors determine the soil water content by measuring the dielectric properties of the soil along two (or more) measuring rods. The travel time of an
electromagnetic impulse emitted by the instrument is determined by the dielectric properties of soil , and thus it’s water content. The measurement shows the average water content of the
measured soil profile, which equals the length of the measuring rods presently in use.
Calibration
Three calibrations already programmed in the firmware of the instrument: Standard (for most soils), sand and high clay (for soils with clay contents of 30% or more).
Technical Data Soil Moisture EC value Temperature
Range 0 to 60% Vol. 0 - 5 mS/cm -30 – 60 °C
Resolution 0,1% Vol. 0,01 mS/cm 0,1°C
Accuracy ±3% Vol. ±0,1 mS/cm ±1°C
Display with switchable backlight
Measuring depth depending on measuring rods 3,8 cm, 7,5 cm, 12 cm or 20 cm
Measuring Rods exchangeable, 1 pair Measuring Rods included.(please specify length when ordering)
TDR Fieldscout 150
easy to carry
Small handmeter, lightweight, compact and economical, now with integrated Datalogger. Option for built-in GPS and Bluetooth
Technical Data
Datalogger integrated, 50 000 values Video
Data Transfer by USB Stick or via Smartphone
Typical Applications
Fast and easy measurement of many measuring points / multiple fields, extension service,
check moisture and EC value for seed emergence, irrigation scheduling in shallow rooted crops,
like strawberries, salad or onion. Particularly suitable for golf, lawn and garden applications.
Also well suited for substrates.
Art. No. Article *Price EUR
TDR-150 TDR Fieldscout 150 incl.1 pair of rods, case 955,00
TDR-150BT Upgrade TDR-150 with GPS & Bluetooth 299,00
TDR Fieldscout 350
Mobile Measurements in Seconds
Model TDR Fieldscout 350 is easy to carry, lightweight, foldable and enables to work without bending down. Additional to the properties
of TDR Fieldscout 150, Model 350 has a built-in GPS unit and Bluetooth connectivity. All measurements are logged with geo-reference.
Technical Data
Frame foldable
Datalogger integrated, 50 000 Values
Data Transfer by USB Stick or via Smartphone
Typical Applications
Particularly suitable for golf, lawn and garden applications.
Fast and easy measurement of many measuring points / multiple fields, extension service,
check moisture for seed emergence,
irrigation scheduling in shallow rooted crops, like strawberries, salad or onion.
Can be used in substrates.
Art. No. Article *Price EUR
TDR-350 TDR Fieldscout 350 incl. 1 pair of rods, field carrying bag 1.555,00
Spare parts
Art. No. Article *Price EUR
TDR-N38 Rods TDR Fieldscout 3,8 cm 65,00
TDR-N75 Rods TDR Fieldscout 7,5 cm 65,00
TDR-N120 Rods TDR Fieldscout 12 cm 65,00
TDR-N200 Rods TDR Fieldscout 20 cm 65,00
web www.mmm-tech.de eMail info@mmm-tech.de 15Volumetry
FDR or Capacitance - Sensors
FDR or Capacitance sensors measure the water content in the soil.
We offer an extensive range of volumetric sensors in different designs and for different applications. FDR sensors are well suited for integration into numerous data acquisition systems,
including IoT systems, as they output an analog or digital standard signal. Sensors from various manufacturers are available as well as handheld readers for these sensors.
Working Principle FDR
FDR (Frequency Domain Reflectometry) sensors measure the dielectric properties of the soil between two electrodes. The readout device „checks“ returning electromagnetic waves for
deviations in the frequency domain and thus determines the water content in the soil.
EC-5 Sensor - FDR Sensor from Meter Group with analog Volt-Signal
ideal for Growbags und Töpfe
Sensor model EC-5 offers properties ideal for use in soilless substrates, growbags and pots: Cable extension up to 50 m
possible.
Technical Data Accuracy with Standard Calibration
Unit m³ water / m³ soil, Vol. % Mineral Soil: ±3% at 0 to 8 dS/m
Range 0-100 % soil water content Rockwool: ±3% at 0,5 to 8 dS/m
Resolution 0,01% in mineral soil Substrates: ±3% at 3 to 14 dS/m
Typical Applications 0,25% in substrates Soil specific Calibration:
Protected cultivation Length of rods 5 cm At least ±2% in all Soils with max. 8 dS/m
on grown soil
in substrates (Growbags, Pots) Art. No. Article *Price EUR
in Rockwool EC-5 Sensor for vol. soil water content, length 5cm, cable 5 m 169,00
Open field
SC-KAB Cable extension for ECH2O sensors, per meter 3,20
strawberry, softfruit, vegetables, science
HS-10 Sensor - FDR Sensor from Meter Group with analog Volt-Signal
Sensor model HS-10 offers properties ideal for use in mineral soil, with an extra large measured soil volume, equalling approx.
one liter. Cable extension up to 50 m possible.
Typical Applications Technical Data
strawberry Hops Unit m³ water / m³ soil, Vol. %
softfruit vineyards Range 0-57 % soil water content
vegetables potatoes Resolution 0,01% in mineral soil, 0,25% in substrates
asparagus sugar beets Length of rods 10 cm
Video fruit trees arable agriculture Accuracy with standard calibration:
mineral soils: ±3% @ 0 to 8 dS/m
seed production Soil specific calibration
scientific applications At least±2% in all soils with max. 8 dS/m
Art. No. Article *Price EUR
HS-10 Sensor for vol. soil water content. length 10 cm, cable 5 m 179,00
SC-KAB Cable extension for ECH2O sensors, per m additionally 3,20
MAS-1 Sensor - FDR Sensor from Meter Group with 4-20 mA-Signal
The sensor type MAS-1 is similar to the sensors type EC-5 & HS-10, but the model MAS-1 generates an analog 4-20mA
signal, making it particularly suitable for applications where a long cable is required. Meter Group‘s readout devices and data
loggers are not suitable for this model.
Technical Data
Unit m³ water / m³ soil, Vol. %
Range 0-100 % soil water content
Resolution depending on read out technique
Length of rods 9 cm
Accuracy standard calibration mineral soils: ±4%
Typical Applications soil specific calibration: ±1 to 2%
OEM applications, dataloggers of
Art. No. Article *Price EUR
various brands which require a 4-20 mA
MAS-1 Sensor for VWC (= Volumetric Water Content). length 9 cm, cable 2 m 189,00
signal. Other please see HS-10
Teros 12 - Sensor for use in substrates from Meter Group with digital signal
The Teros 12 Sensor is the successor of the GS-3 & 5TE models. This sensor has been specially designed for use in all common growing
media. This model measures the water content from 0-100%, the substrate, the temperature between -40 and +50°C and the electrical
conductivity (EC) in the range 0 to 23 dS/m.
NEU Technical Data
Unit m³ water / m³ soil, vol. % temperature °C EC in dS/m
Range 0-100 % volumetric water content temperature - 40 to +50°C EC 0-20 dS/m
Resolution 0,1% in substrates temperature 0,1 °C EC 0,001 dS/m, 0 - 20 dS/m
Signal SDI-12 and DDI Serial
Sensor length 5,5 cm
Accuracy with standard calibration
Substrates ±3% in mineral soilsVolumetry
SM-100 & SMEC-300 - FDR Sensor from Spectrum with Analog Volt Signal
This sensor is an inexpensive FDR sensor of the WaterScout® series of the manufacturer Spectrum Technologies, USA. The model SM-100 measures the water content and generates
an analog volt signal.
Technical Data SM-100 Technical Data SM-300
Range 0% to approx. 65% vol.water content (with calibration for substrates) Rangewater content 0% to approx. 65% vol. H2O (with calibration for substrates)
Power 3 to 5VDC @ 6 to 10 mA Range EC 0 to 10 mS/cm
Signal Analog, ratiometric, 0,5 – 1,5V at 3V supply voltage Range temperature -50 to 85°C
Resolution 0,1% vol.water content Resolution 0,1% vol.water content / 0,01 mS/cm / 0,1°C
Accuracy 3% vol.water content @ EC < 8 mS/cm Accuracy 3% vol.water content @ EC < 8 mS/cm / % 2% EC / 0,6°C
Cable 1,8 m, can be extended up to 15 m Power 3 VDC @ 6 to 10 mA
Signal Analog voltage, time division multiplexed
Cable 1,8 m, can be extended up to 15 m
Art. No. Article *Price EUR
SM-100 Sensor for vol.water content, Cable 1,8m 105,00
SMEC-300 Sensor for vol.water content, EC + soil temp., cable 1.8m 249,00
EC-HH-Pro
Handheld reader for all sensors from Meter Group
The EC-HH-Pro is a handheld reader for all Meter Group sensors with internal data memory and a large number of pre-pro-
grammed calibrations. The device enables a fast and easy measurement at many measuring points and offers numerous
other interesting options such as the „life update mode“ (continuous updating of measured values).
Including: instrument, data cable and ECH2O Utility Software.
Technical Data
Digital display optionally in cm/m or m³/m³ or % Vol or IPF or ξa Power battery
(dielectric property) Memory yes, 5000 data points
Sensors all sensors from Meter Group (except MAS-1) Calibration Mineral soil, peat substrates, rock wool, perlite,
user-defined
Art. No. Article *Price EUR
EC-HH-Pro Handheld Meter for all ECH2O Sensors (except MAS-1) 649,00
SM-HH - Handheld reader for sensors SM-100 & SMEC-300
The SM-HH is a handheld readout device for all sensors from Spectrum Technologies with several already programmed
calibrations. The device enables a fast and easy measurement at many measuring points and offers continuous updating of
the measured values. Furthermore, the sensors SM-100 and SMEC-300 can be calibrated with this device.
Including: instrument, carrying bag.
Technical Data
Display Digital display
Sensors SM-100 & SMEC-300
Power battery
Memory no
Calibration Mineral soil, peat substrates
Art. No. Article *Price EUR
SM-HH Handheld Readout Device for SM-100 & SMEC-300 Sensors 329,00
PI54-A - FDR Sensor by Pessl Instruments with analog volt signal
The PI54-A sensor is an inexpensive replacement for the HS-10 sensor of the Meter Group, as the technical data are
almost identical. Ideal for outdoor use, the measured soil volume corresponds to about one liter.
Technical Data
Unit: m³ water / m³ soil, vol. %
Range: 0-57 % water content
Resolution: 0,08% in mineral soils with 0 to 50% H20
Supply voltage: 3,6 VDC @ 12 mA to 15 VDC @ 20 mA
Signal: 300 to 1,250 mV, independent of supply voltage
Dimensions: 16,0 cm x 3,3 cm x 0,8 cm
Accuracy with standard calibration:
Mineral soils:: ±3% at EC-values up to 10 mS/cm
Soil specific calibration:
Typical ±2% in all soils
Art. No. Article *Price EUR
PI54-A PI54-A Sensor for vol.water content, cable 5m 120,00
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